STABLE14-memcache-write-on-laststore-20090512

LICENSE IPL10
FIXES 124671

write back dirty pages on last store for memcache, lest we end up
unintentionally discarding the changes.

(cherry picked from commit 214ce7c8b488e90301e9f604b6ecc625b7000e62)

diff --git a/src/afs/afs_segments.c b/src/afs/afs_segments.c
index dce5ac8498a27711a34e451c5d88bf51ec04f0b7..6f2ce5b861571e849aa2f5959e9a168b55673360 100644 (file)
--- a/src/afs/afs_segments.c
+++ b/src/afs/afs_segments.c
@@ -195,7 +195,7 @@ afs_StoreAllSegments(register struct vcache *avc, struct vrequest *areq,
      * on the memcache case since that's we adjust the file's size
      * and finish flushing partial vm pages.
      */
-    if (cacheDiskType != AFS_FCACHE_TYPE_MEM)
+    if ((cacheDiskType != AFS_FCACHE_TYPE_MEM) || (sync & AFS_LASTSTORE))
 #endif /* !AFS_AIX32_ENV && !AFS_SGI65_ENV */
     {
        /* If we're not diskless, reading a file may stress the VM